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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: mPW1PW91/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/TZVP
 hartrees
Energy at 0K-207.895227
Energy at 298.15K 
HF Energy-207.895227
Nuclear repulsion energy105.141030
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at mPW1PW91/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3279 3128 0.23 57.47 0.68 0.81
2 A' 3186 3039 4.41 171.43 0.16 0.28
3 A' 3170 3024 2.90 16.73 0.66 0.80
4 A' 1705 1626 5.38 25.69 0.07 0.13
5 A' 1633 1558 143.32 86.34 0.33 0.49
6 A' 1421 1355 25.19 19.60 0.41 0.58
7 A' 1295 1235 1.25 8.53 0.37 0.54
8 A' 1157 1104 77.40 26.78 0.47 0.64
9 A' 901 859 34.12 0.42 0.68 0.81
10 A' 622 593 1.42 7.70 0.21 0.34
11 A' 351 335 1.44 0.77 0.71 0.83
12 A" 1021 974 15.06 2.86 0.75 0.86
13 A" 1013 967 47.20 0.21 0.75 0.86
14 A" 690 658 1.11 3.71 0.75 0.86
15 A" 179 170 0.11 0.64 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10810.7 cm-1
Scaled (by 0.954) Zero Point Vibrational Energy (zpe) 10313.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at mPW1PW91/TZVP
ABC
1.79342 0.17130 0.15636

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.203 1.210 0.000
C2 0.000 0.648 0.000
N3 -0.049 -0.773 0.000
O4 -1.169 -1.222 0.000
H5 2.086 0.582 0.000
H6 1.334 2.283 0.000
H7 -0.947 1.180 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.32832.34573.39711.08331.08142.1510
C21.32831.42192.20482.08742.11041.0865
N32.34571.42191.20592.52933.35502.1498
O43.39712.20481.20593.72144.30682.4120
H51.08332.08742.52933.72141.86053.0920
H61.08142.11043.35504.30681.86052.5338
H72.15101.08652.14982.41203.09202.5338

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.020 C1 C2 H7 125.640
C2 C1 H5 119.546 C2 C1 H6 121.944
C2 N3 O4 113.821 N3 C2 H7 117.341
H5 C1 H6 118.510
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.162      
2 C -0.148      
3 N 0.070      
4 O -0.168      
5 H 0.143      
6 H 0.143      
7 H 0.121      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.419 2.988 0.000 3.308
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.628 -0.122 0.000
y -0.122 -23.385 0.000
z 0.000 0.000 -23.639
Traceless
 xyz
x 0.884 -0.122 0.000
y -0.122 -0.252 0.000
z 0.000 0.000 -0.632
Polar
3z2-r2-1.264
x2-y20.757
xy-0.122
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.890 2.214 0.000
y 2.214 6.323 0.000
z 0.000 0.000 2.963


<r2> (average value of r2) Å2
<r2> 75.538
(<r2>)1/2 8.691